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61068443 = 82174383
BaseRepresentation
bin1110100011110…
…1010010011011
311020220121011012
43220331102123
5111113142233
610020524135
71341034052
oct350752233
9136817135
1061068443
1131520697
121855064b
13c862397
148179399
155564548
hex3a3d49b

61068443 has 4 divisors (see below), whose sum is σ = 61143648. Its totient is φ = 60993240.

The previous prime is 61068409. The next prime is 61068467. The reversal of 61068443 is 34486016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61068443 - 26 = 61068379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61068493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36371 + ... + 38012.

It is an arithmetic number, because the mean of its divisors is an integer number (15285912).

Almost surely, 261068443 is an apocalyptic number.

61068443 is a deficient number, since it is larger than the sum of its proper divisors (75205).

61068443 is an equidigital number, since it uses as much as digits as its factorization.

61068443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75204.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 61068443 is about 7814.6300616216. The cubic root of 61068443 is about 393.7968904265.

The spelling of 61068443 in words is "sixty-one million, sixty-eight thousand, four hundred forty-three".

Divisors: 1 821 74383 61068443